agenttesla | 0a26073dc1b719d6c2f2ceb4c2a43f44d031c59c9a1082cace4b0358080c3cea

Analysis

max time kernel
4294180s
max time network
154s
platform
windows7_x64
resource
win7-20220311-en
submitted
21/03/2022, 10:38

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General

Target
SOA 21-03-2022.exe
Size 199KB
Sample220321-mpdx8sbffm
SHA256 0a26073dc1b719d6c2f2ceb4c2a43f44d031c59c9a1082cace4b0358080c3cea
MD5 4e4070c01ca3ee8b41a1b66fe4fcc85b
SHA1 b570d785761f9615845f9b2672ee55325cd898ca
SHA512 44bc73733eacd985ee73259973e540d5ddbcc18f1f1850794eebe8572c8b8a753faa210f6b900d3a2e2c4ae0926ca6b320935d04d3fd06da228776c176785780
MD5 SHA1 SHA512

Score

10^/10

agenttesla collection keylogger persistence spyware stealer suricata trojan

Malware Config

Extracted

Credentials

Protocol
smtp
Host
mail.loisuites.com.ar
Port
587
Username
[email protected]
Password
ReKo2014

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.loisuites.com.ar
Port
587
Username
[email protected]
Password
ReKo2014
Email to
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
suricata: ET MALWARE AgentTesla Exfil Via SMTP
suricata: ET MALWARE AgentTesla Exfil Via SMTP
suricata

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ittmdvwew = "\"C:\\Users\\Admin\\AppData\\Roaming\\Wwrjsf\\Ittmdvwew.exe\""	SOA 21-03-2022.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2032 set thread context of 956	2032	SOA 21-03-2022.exe	33

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1988	timeout.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2032	SOA 21-03-2022.exe
2032	SOA 21-03-2022.exe
956	MSBuild.exe
956	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2032	SOA 21-03-2022.exe
Token: SeDebugPrivilege	956	MSBuild.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 1480	2032	SOA 21-03-2022.exe	30
PID 2032 wrote to memory of 1480	2032	SOA 21-03-2022.exe	30
PID 2032 wrote to memory of 1480	2032	SOA 21-03-2022.exe	30
PID 2032 wrote to memory of 1480	2032	SOA 21-03-2022.exe	30
PID 1480 wrote to memory of 1988	1480	cmd.exe	32
PID 1480 wrote to memory of 1988	1480	cmd.exe	32
PID 1480 wrote to memory of 1988	1480	cmd.exe	32
PID 1480 wrote to memory of 1988	1480	cmd.exe	32
PID 2032 wrote to memory of 956	2032	SOA 21-03-2022.exe	33
PID 2032 wrote to memory of 956	2032	SOA 21-03-2022.exe	33
PID 2032 wrote to memory of 956	2032	SOA 21-03-2022.exe	33
PID 2032 wrote to memory of 956	2032	SOA 21-03-2022.exe	33
PID 2032 wrote to memory of 956	2032	SOA 21-03-2022.exe	33
PID 2032 wrote to memory of 956	2032	SOA 21-03-2022.exe	33
PID 2032 wrote to memory of 956	2032	SOA 21-03-2022.exe	33
PID 2032 wrote to memory of 956	2032	SOA 21-03-2022.exe	33
PID 2032 wrote to memory of 956	2032	SOA 21-03-2022.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2199625441-3471261906-229485034-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\SOA 21-03-2022.exe
"C:\Users\Admin\AppData\Local\Temp\SOA 21-03-2022.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2032
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout 15
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1480
- - C:\Windows\SysWOW64\timeout.exe
    timeout 15
    3⤵
    - Delays execution with timeout.exe
    PID:1988
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:956

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/956-65-0x0000000000400000-0x000000000043A000-memory.dmp

Download

memory/956-78-0x0000000004CC1000-0x0000000004CC2000-memory.dmp

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memory/956-76-0x0000000074210000-0x00000000748FE000-memory.dmp

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memory/956-77-0x0000000004CC0000-0x0000000004CC1000-memory.dmp

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memory/956-75-0x0000000000400000-0x000000000043A000-memory.dmp

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memory/956-73-0x0000000000400000-0x000000000043A000-memory.dmp

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memory/956-71-0x0000000000400000-0x000000000043A000-memory.dmp

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memory/956-69-0x0000000000400000-0x000000000043A000-memory.dmp

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memory/956-67-0x0000000000400000-0x000000000043A000-memory.dmp

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memory/956-63-0x0000000000400000-0x000000000043A000-memory.dmp

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memory/2032-58-0x00000000050D0000-0x000000000515A000-memory.dmp

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memory/2032-62-0x0000000004E30000-0x0000000004E7C000-memory.dmp

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memory/2032-61-0x00000000043B0000-0x00000000043F2000-memory.dmp

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memory/2032-60-0x0000000000730000-0x0000000000772000-memory.dmp

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memory/2032-59-0x0000000004590000-0x00000000045D6000-memory.dmp

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memory/2032-54-0x0000000000330000-0x0000000000368000-memory.dmp

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memory/2032-57-0x00000000043F0000-0x00000000043F1000-memory.dmp

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memory/2032-56-0x0000000074C91000-0x0000000074C93000-memory.dmp

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memory/2032-55-0x0000000074210000-0x00000000748FE000-memory.dmp

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